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Support USING INDEX TABLESPACE clause for PRIMARY KEY and UNIQUE

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constraints.  Christopher Kings-Lynne.
This commit is contained in:
Tom Lane 2004-08-02 04:28:29 +00:00
parent f622c54049
commit f0efe26402
11 changed files with 196 additions and 34 deletions
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25
doc/src/sgml/ref/create_table.sgml
View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.83 2004/07/12 01:22:53 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.84 2004/08/02 04:25:31 tgl Exp $
PostgreSQL documentation
-->
@ -33,7 +33,10 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ] TABLE <replaceable class="PAR
where <replaceable class="PARAMETER">column_constraint</replaceable> is:
[ CONSTRAINT <replaceable class="PARAMETER">constraint_name</replaceable> ]
{ NOT NULL | NULL | UNIQUE | PRIMARY KEY |
{ NOT NULL |
NULL |
UNIQUE [ USING INDEX TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable> ] |
PRIMARY KEY [ USING INDEX TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable> ] |
CHECK (<replaceable class="PARAMETER">expression</replaceable>) |
REFERENCES <replaceable class="PARAMETER">reftable</replaceable> [ ( <replaceable class="PARAMETER">refcolumn</replaceable> ) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ]
[ ON DELETE <replaceable class="parameter">action</replaceable> ] [ ON UPDATE <replaceable class="parameter">action</replaceable> ] }
@ -42,8 +45,8 @@ where <replaceable class="PARAMETER">column_constraint</replaceable> is:
and <replaceable class="PARAMETER">table_constraint</replaceable> is:
[ CONSTRAINT <replaceable class="PARAMETER">constraint_name</replaceable> ]
{ UNIQUE ( <replaceable class="PARAMETER">column_name</replaceable> [, ... ] ) |
PRIMARY KEY ( <replaceable class="PARAMETER">column_name</replaceable> [, ... ] ) |
{ UNIQUE ( <replaceable class="PARAMETER">column_name</replaceable> [, ... ] ) [ USING INDEX TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable> ] |
PRIMARY KEY ( <replaceable class="PARAMETER">column_name</replaceable> [, ... ] ) [ USING INDEX TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable> ] |
CHECK ( <replaceable class="PARAMETER">expression</replaceable> ) |
FOREIGN KEY ( <replaceable class="PARAMETER">column_name</replaceable> [, ... ] ) REFERENCES <replaceable class="PARAMETER">reftable</replaceable> [ ( <replaceable class="PARAMETER">refcolumn</replaceable> [, ... ] ) ]
[ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE <replaceable class="parameter">action</replaceable> ] [ ON UPDATE <replaceable class="parameter">action</replaceable> ] }
@ -604,6 +607,18 @@ and <replaceable class="PARAMETER">table_constraint</replaceable> is:
</listitem>
</varlistentry>
<varlistentry>
<term><literal>USING INDEX TABLESPACE <replaceable class="PARAMETER">tablespace</replaceable></literal></term>
<listitem>
<para>
This clause allows selection of the tablespace in which the index
associated with a <literal>UNIQUE</literal> or <literal>PRIMARY
KEY</literal> constraint will be created. If not supplied, the index
will be created in the same tablespace as the table.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
@ -950,7 +965,7 @@ CREATE TABLE cinemas (
</refsect2>
<refsect2>
<title>TABLESPACE</title>
<title>TABLESPACE and USING INDEX TABLESPACE</title>
<para>
The <productname>PostgreSQL</productname> concept of tablespaces is not

5
doc/src/sgml/ref/create_tablespace.sgml
View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_tablespace.sgml,v 1.2 2004/06/25 21:55:50 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_tablespace.sgml,v 1.3 2004/08/02 04:25:37 tgl Exp $
PostgreSQL documentation
-->
@ -43,7 +43,7 @@ CREATE TABLESPACE <replaceable class="parameter">tablespacename</replaceable> [
A user with appropriate privileges can pass
<replaceable class="parameter">tablespacename</> to <command>CREATE
DATABASE</>, <command>CREATE SCHEMA</>, <command>CREATE TABLE</>,
<command>CREATE INDEX</> or <command>CREATE SEQUENCE</> to have the data
<command>CREATE INDEX</> or <command>ADD CONSTRAINT</> to have the data
files for these objects stored within the specified tablespace.
</para>
</refsect1>
@ -133,7 +133,6 @@ CREATE TABLESPACE indexspace OWNER genevieve LOCATION '/data/indexes';
<member><xref linkend="sql-createschema" endterm="sql-createschema-title"></member>
<member><xref linkend="sql-createtable" endterm="sql-createtable-title"></member>
<member><xref linkend="sql-createindex" endterm="sql-createindex-title"></member>
<member><xref linkend="sql-createsequence" endterm="sql-createsequence-title"></member>
<member><xref linkend="sql-droptablespace" endterm="sql-droptablespace-title"></member>
<member><xref linkend="sql-altertablespace" endterm="sql-altertablespace-title"></member>
</simplelist>

3
src/backend/nodes/copyfuncs.c
View File

@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.288 2004/07/12 05:37:21 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.289 2004/08/02 04:26:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1485,6 +1485,7 @@ _copyConstraint(Constraint *from)
COPY_NODE_FIELD(raw_expr);
COPY_STRING_FIELD(cooked_expr);
COPY_NODE_FIELD(keys);
COPY_STRING_FIELD(indexspace);
return newnode;
}

3
src/backend/nodes/equalfuncs.c
View File

@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.227 2004/07/12 05:37:24 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.228 2004/08/02 04:26:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1611,6 +1611,7 @@ _equalConstraint(Constraint *a, Constraint *b)
COMPARE_NODE_FIELD(raw_expr);
COMPARE_STRING_FIELD(cooked_expr);
COMPARE_NODE_FIELD(keys);
COMPARE_STRING_FIELD(indexspace);
return true;
}

14
src/backend/nodes/outfuncs.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.240 2004/06/18 06:13:28 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.241 2004/08/02 04:26:05 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@ -1537,6 +1537,13 @@ _outConstraint(StringInfo str, Constraint *node)
case CONSTR_PRIMARY:
appendStringInfo(str, "PRIMARY_KEY");
WRITE_NODE_FIELD(keys);
WRITE_STRING_FIELD(indexspace);
break;
case CONSTR_UNIQUE:
appendStringInfo(str, "UNIQUE");
WRITE_NODE_FIELD(keys);
WRITE_STRING_FIELD(indexspace);
break;
case CONSTR_CHECK:
@ -1555,11 +1562,6 @@ _outConstraint(StringInfo str, Constraint *node)
appendStringInfo(str, "NOT_NULL");
break;
case CONSTR_UNIQUE:
appendStringInfo(str, "UNIQUE");
WRITE_NODE_FIELD(keys);
break;
default:
appendStringInfo(str, "<unrecognized_constraint>");
break;

4
src/backend/parser/analyze.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.307 2004/07/12 05:37:44 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.308 2004/08/02 04:26:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1199,7 +1199,7 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
index->relation = cxt->relation;
index->accessMethod = DEFAULT_INDEX_TYPE;
index->tableSpace = NULL;
index->tableSpace = constraint->indexspace;
index->indexParams = NIL;
index->whereClause = NULL;

25
src/backend/parser/gram.y
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.468 2004/07/27 05:10:55 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.469 2004/08/02 04:26:35 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -320,7 +320,7 @@ static void doNegateFloat(Value *v);
%type <list> constraints_set_list
%type <boolean> constraints_set_mode
%type <str> OptTableSpace OptTableSpaceOwner
%type <str> OptTableSpace OptConsTableSpace OptTableSpaceOwner
/*
@ -1609,6 +1609,7 @@ ColConstraintElem:
n->raw_expr = NULL;
n->cooked_expr = NULL;
n->keys = NULL;
n->indexspace = NULL;
$$ = (Node *)n;
}
| NULL_P
@ -1619,9 +1620,10 @@ ColConstraintElem:
n->raw_expr = NULL;
n->cooked_expr = NULL;
n->keys = NULL;
n->indexspace = NULL;
$$ = (Node *)n;
}
| UNIQUE
| UNIQUE OptConsTableSpace
{
Constraint *n = makeNode(Constraint);
n->contype = CONSTR_UNIQUE;
@ -1629,9 +1631,10 @@ ColConstraintElem:
n->raw_expr = NULL;
n->cooked_expr = NULL;
n->keys = NULL;
n->indexspace = $2;
$$ = (Node *)n;
}
| PRIMARY KEY
| PRIMARY KEY OptConsTableSpace
{
Constraint *n = makeNode(Constraint);
n->contype = CONSTR_PRIMARY;
@ -1639,6 +1642,7 @@ ColConstraintElem:
n->raw_expr = NULL;
n->cooked_expr = NULL;
n->keys = NULL;
n->indexspace = $3;
$$ = (Node *)n;
}
| CHECK '(' a_expr ')'
@ -1649,6 +1653,7 @@ ColConstraintElem:
n->raw_expr = $3;
n->cooked_expr = NULL;
n->keys = NULL;
n->indexspace = NULL;
$$ = (Node *)n;
}
| DEFAULT b_expr
@ -1667,6 +1672,7 @@ ColConstraintElem:
}
n->cooked_expr = NULL;
n->keys = NULL;
n->indexspace = NULL;
$$ = (Node *)n;
}
| REFERENCES qualified_name opt_column_list key_match key_actions
@ -1787,9 +1793,10 @@ ConstraintElem:
n->name = NULL;
n->raw_expr = $3;
n->cooked_expr = NULL;
n->indexspace = NULL;
$$ = (Node *)n;
}
| UNIQUE '(' columnList ')'
| UNIQUE '(' columnList ')' OptConsTableSpace
{
Constraint *n = makeNode(Constraint);
n->contype = CONSTR_UNIQUE;
@ -1797,9 +1804,10 @@ ConstraintElem:
n->raw_expr = NULL;
n->cooked_expr = NULL;
n->keys = $3;
n->indexspace = $5;
$$ = (Node *)n;
}
| PRIMARY KEY '(' columnList ')'
| PRIMARY KEY '(' columnList ')' OptConsTableSpace
{
Constraint *n = makeNode(Constraint);
n->contype = CONSTR_PRIMARY;
@ -1807,6 +1815,7 @@ ConstraintElem:
n->raw_expr = NULL;
n->cooked_expr = NULL;
n->keys = $4;
n->indexspace = $6;
$$ = (Node *)n;
}
| FOREIGN KEY '(' columnList ')' REFERENCES qualified_name
@ -1916,6 +1925,10 @@ OptTableSpace: TABLESPACE name { $$ = $2; }
| /*EMPTY*/ { $$ = NULL; }
;
OptConsTableSpace: USING INDEX TABLESPACE name { $$ = $4; }
| /*EMPTY*/ { $$ = NULL; }
;
/*
* Note: CREATE TABLE ... AS SELECT ... is just another spelling for

88
src/backend/utils/adt/ruleutils.c
View File

@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.175 2004/07/06 04:50:21 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.176 2004/08/02 04:27:15 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -162,6 +162,7 @@ static char *pg_get_constraintdef_worker(Oid constraintId, bool fullCommand,
int prettyFlags);
static char *pg_get_expr_worker(text *expr, Oid relid, char *relname,
int prettyFlags);
static Oid get_constraint_index(Oid constraintRelOid, Oid constraintOid);
static void make_ruledef(StringInfo buf, HeapTuple ruletup, TupleDesc rulettc,
int prettyFlags);
static void make_viewdef(StringInfo buf, HeapTuple ruletup, TupleDesc rulettc,
@ -1015,6 +1016,7 @@ pg_get_constraintdef_worker(Oid constraintId, bool fullCommand,
{
Datum val;
bool isnull;
Oid indexOid;
/* Start off the constraint definition */
if (conForm->contype == CONSTRAINT_PRIMARY)
@ -1033,6 +1035,29 @@ pg_get_constraintdef_worker(Oid constraintId, bool fullCommand,
appendStringInfo(&buf, ")");
/* Add TABLESPACE if it's not default */
indexOid = get_constraint_index(RelationGetRelid(conDesc),
constraintId);
if (OidIsValid(indexOid))
{
Oid reltablespace;
Oid indtablespace;
reltablespace = get_rel_tablespace(conForm->conrelid);
indtablespace = get_rel_tablespace(indexOid);
if (OidIsValid(indtablespace) &&
indtablespace != reltablespace)
{
char *spcname = get_tablespace_name(indtablespace);
if (spcname) /* just paranoia... */
{
appendStringInfo(&buf, " USING INDEX TABLESPACE %s",
quote_identifier(spcname));
pfree(spcname);
}
}
}
break;
}
case CONSTRAINT_CHECK:
@ -1343,6 +1368,67 @@ pg_get_serial_sequence(PG_FUNCTION_ARGS)
PG_RETURN_NULL();
}
/*
* get_constraint_index
* Given the OID of a unique or primary-key constraint,
* look up the OID of the underlying index.
*
* We make the caller pass in the OID of pg_constraint, too, simply because
* it's probably got it at hand already.
*
* Returns InvalidOid if index can't be found.
*/
static Oid
get_constraint_index(Oid constraintRelOid, Oid constraintOid)
{
Oid result = InvalidOid;
Relation depRel;
ScanKeyData key[3];
SysScanDesc scan;
HeapTuple tup;
/* Search the dependency table for the dependent index */
depRel = heap_openr(DependRelationName, AccessShareLock);
ScanKeyInit(&key[0],
Anum_pg_depend_refclassid,
BTEqualStrategyNumber, F_OIDEQ,
ObjectIdGetDatum(constraintRelOid));
ScanKeyInit(&key[1],
Anum_pg_depend_refobjid,
BTEqualStrategyNumber, F_OIDEQ,
ObjectIdGetDatum(constraintOid));
ScanKeyInit(&key[2],
Anum_pg_depend_refobjsubid,
BTEqualStrategyNumber, F_INT4EQ,
Int32GetDatum(0));
scan = systable_beginscan(depRel, DependReferenceIndex, true,
SnapshotNow, 3, key);
while (HeapTupleIsValid(tup = systable_getnext(scan)))
{
Form_pg_depend deprec = (Form_pg_depend) GETSTRUCT(tup);
/*
* We assume any internal dependency of a relation on the constraint
* must be what we are looking for.
*/
if (deprec->classid == RelOid_pg_class &&
deprec->objsubid == 0 &&
deprec->deptype == DEPENDENCY_INTERNAL)
{
result = deprec->objid;
break;
}
}
systable_endscan(scan);
heap_close(depRel, AccessShareLock);
return result;
}
/* ----------
* deparse_expression - General utility for deparsing expressions

56
src/bin/pg_dump/pg_dump.c
View File

@ -12,7 +12,7 @@
* by PostgreSQL
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.c,v 1.380 2004/07/19 21:39:48 momjian Exp $
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.c,v 1.381 2004/08/02 04:28:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -2696,7 +2696,8 @@ getIndexes(TableInfo tblinfo[], int numTables)
i_contype,
i_conname,
i_contableoid,
i_conoid;
i_conoid,
i_tablespace;
int ntups;
for (i = 0; i < numTables; i++)
@ -2725,7 +2726,7 @@ getIndexes(TableInfo tblinfo[], int numTables)
* one internal dependency.
*/
resetPQExpBuffer(query);
if (g_fout->remoteVersion >= 70300)
if (g_fout->remoteVersion >= 70500)
{
appendPQExpBuffer(query,
"SELECT t.tableoid, t.oid, "
@ -2735,7 +2736,33 @@ getIndexes(TableInfo tblinfo[], int numTables)
"i.indkey, i.indisclustered, "
"c.contype, c.conname, "
"c.tableoid as contableoid, "
"c.oid as conoid "
"c.oid as conoid, "
"(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) as tablespace "
"FROM pg_catalog.pg_index i "
"JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
"LEFT JOIN pg_catalog.pg_depend d "
"ON (d.classid = t.tableoid "
"AND d.objid = t.oid "
"AND d.deptype = 'i') "
"LEFT JOIN pg_catalog.pg_constraint c "
"ON (d.refclassid = c.tableoid "
"AND d.refobjid = c.oid) "
"WHERE i.indrelid = '%u'::pg_catalog.oid "
"ORDER BY indexname",
tbinfo->dobj.catId.oid);
}
else if (g_fout->remoteVersion >= 70300)
{
appendPQExpBuffer(query,
"SELECT t.tableoid, t.oid, "
"t.relname as indexname, "
"pg_catalog.pg_get_indexdef(i.indexrelid) as indexdef, "
"t.relnatts as indnkeys, "
"i.indkey, i.indisclustered, "
"c.contype, c.conname, "
"c.tableoid as contableoid, "
"c.oid as conoid, "
"NULL as tablespace "
"FROM pg_catalog.pg_index i "
"JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
"LEFT JOIN pg_catalog.pg_depend d "
@ -2761,7 +2788,8 @@ getIndexes(TableInfo tblinfo[], int numTables)
"ELSE '0'::char END as contype, "
"t.relname as conname, "
"0::oid as contableoid, "
"t.oid as conoid "
"t.oid as conoid, "
"NULL as tablespace "
"FROM pg_index i, pg_class t "
"WHERE t.oid = i.indexrelid "
"AND i.indrelid = '%u'::oid "
@ -2782,7 +2810,8 @@ getIndexes(TableInfo tblinfo[], int numTables)
"ELSE '0'::char END as contype, "
"t.relname as conname, "
"0::oid as contableoid, "
"t.oid as conoid "
"t.oid as conoid, "
"NULL as tablespace "
"FROM pg_index i, pg_class t "
"WHERE t.oid = i.indexrelid "
"AND i.indrelid = '%u'::oid "
@ -2806,6 +2835,7 @@ getIndexes(TableInfo tblinfo[], int numTables)
i_conname = PQfnumber(res, "conname");
i_contableoid = PQfnumber(res, "contableoid");
i_conoid = PQfnumber(res, "conoid");
i_tablespace = PQfnumber(res, "tablespace");
indxinfo = (IndxInfo *) malloc(ntups * sizeof(IndxInfo));
constrinfo = (ConstraintInfo *) malloc(ntups * sizeof(ConstraintInfo));
@ -2823,6 +2853,7 @@ getIndexes(TableInfo tblinfo[], int numTables)
indxinfo[j].indextable = tbinfo;
indxinfo[j].indexdef = strdup(PQgetvalue(res, j, i_indexdef));
indxinfo[j].indnkeys = atoi(PQgetvalue(res, j, i_indnkeys));
indxinfo[j].tablespace = strdup(PQgetvalue(res, j, i_tablespace));
/*
* In pre-7.4 releases, indkeys may contain more entries than
@ -6910,7 +6941,18 @@ dumpConstraint(Archive *fout, ConstraintInfo *coninfo)
fmtId(attname));
}
appendPQExpBuffer(q, ");\n");
appendPQExpBuffer(q, ")");
/* Output tablespace clause if necessary */
if (strlen(indxinfo->tablespace) != 0 &&
strcmp(indxinfo->tablespace,
indxinfo->indextable->reltablespace) != 0)
{
appendPQExpBuffer(q, " USING INDEX TABLESPACE %s",
fmtId(indxinfo->tablespace));
}
appendPQExpBuffer(q, ";\n");
/* If the index is clustered, we need to record that. */
if (indxinfo->indisclustered)

3
src/bin/pg_dump/pg_dump.h
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.h,v 1.109 2004/06/18 06:14:00 tgl Exp $
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.h,v 1.110 2004/08/02 04:28:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -238,6 +238,7 @@ typedef struct _indxInfo
DumpableObject dobj;
TableInfo *indextable; /* link to table the index is for */
char *indexdef;
char *tablespace; /* tablespace in which index is stored */
int indnkeys;
Oid *indkeys;
bool indisclustered;

4
src/include/nodes/parsenodes.h
View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.263 2004/07/27 05:11:30 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.264 2004/08/02 04:28:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -992,6 +992,8 @@ typedef struct Constraint
char *cooked_expr; /* expr, as nodeToString representation */
List *keys; /* String nodes naming referenced
* column(s) */
char *indexspace; /* index tablespace for PKEY/UNIQUE
* constraints; NULL for default */
} Constraint;
/* ----------